Bird name:

Anna's Hummingbird

Calypte anna

Order

APODIFORMES

Family

Hummingbirds (Trochilidae)

Code 4

ANHU

Code 6

CALANN

ITIS

178036

Breeding Location:

Bushes, shrubs, and thickets, Desert, Desert, semi, Streams, upland, Scrub vegetation areas

Breeding Type:

Polygamous, Solitary nester

Breeding Population:

Increasing, Abundant

Egg Color:

White

Number of Eggs:

1 - 3

Incubation Days:

14 - 19

Egg Incubator:

Female

Nest Material:

Plant down bound with spider silk and lined with plant down or feathers.

Migration:

Nonmigratory

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General

Anna's Hummingbird: Medium-sized hummingbird; male has bronze-green upperparts and dull gray underparts. Hood and throat are iridescent red, but may appear black or dark purple in low light; broken white eye-ring is usually visible. Tail is dark green with black outer tail feathers. Female is duller with a green cap and sometimes shows metallic red or purple patches and spots on throat. Dark green tail is white-tipped. Subadult male resembles female but has darker throat with distinctive streaking and may show red spots on crown. Juvenile resembles female but has white throat with faint spotting.

Range and Habitat

Anna's Hummingbird: Resident from northern California southward; spends winters regularly from British Columbia south to Arizona. Preferred habitats include chaparral, brushy oak woodlands, and gardens.

Breeding and Nesting

Anna's Hummingbird: One to three white eggs are laid in a tiny woven cup of small twigs and lichens fastened onto a sheltered horizontal limb. Incubation ranges from 14 to 19 days and is carried out by the female.

Foraging and Feeding

Anna's Hummingbird: Feeds on flower nectar with long bill and tongue while hovering. Most attracted to long, tubular flowers, with red, orange, or violet hues; also uses holes in trees to extract sap and feeds on flying insects or those trapped in spider webs.

Readily Eats

Sugar Water, Commercial instant nectars

Vocalization

Anna's Hummingbird: Calls include a sharp "chip" and rapid "chee-chee-chee-chee-chee."

Similar Species

Anna's Hummingbird: Black-chinned Hummingbird is smaller with paler underparts, purple crown and throat, white eyebrow, and slightly down-curved bill. Costa’s Hummingbird is smaller with purple throat, white spot behind eye, and slightly down-curved bill.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Underparts

Belly, undertail coverts, chest, flanks, and foreneck.

Upperparts

Back, rump, hindneck, wings, and crown.

Cap

The area on top of the head of the bird.

Crown

The crown is the top part of the birds head.

Outer tail feathers

The tail feathers farthest from the center.

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America